<?php

namespace app\admin\controller\chase;

use app\admin\model\chase\ParentStudents;
use app\common\controller\Backend;
use app\admin\model\chase\Student as StudentModel;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\Request;
use app\admin\model\chase\Relations as RelationsModel;
use app\admin\model\chase\Parents as ParentsModel;

/**
 * 家长管理
 *
 * @icon fa fa-circle-o
 */
class Parents extends Backend
{
    
    /**
     * Parents模型对象
     * @var \app\admin\model\chase\Parents
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\chase\Parents;
        $students = StudentModel::where('is_freeze', 0)->select();
        $relations = RelationsModel::all();
        $this->assign('students', $students);
        $this->assign('relations', $relations);
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 查看
     */
    public function index()
    {
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags']);
        if ($this->request->isAjax()) {
            //筛选学员
            $filter = json_decode($this->request->get('filter'), true);
            $parent_id = [];
            if ($filter && isset($filter['student']) && $filter['student']) {
                $student_id = StudentModel::where('username', $filter['student'])->value('id');
                $parent_id = ParentStudents::where('student_id', $student_id)->column('parent_id');
            }
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }

            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $total = $this->model
                ->with(['relations', 'students'])
                ->where($where)
                ->where(function ($query) use ($parent_id) {
                    if ($parent_id) {
                        $query->whereIn('id', $parent_id);
                    }
                })
                ->order($sort, $order)
                ->count();

            $list = $this->model
                ->with(['relations', 'students'])
                ->where($where)
                ->where(function ($query) use ($parent_id) {
                    if ($parent_id) {
                        $query->whereIn('id', $parent_id);
                    }
                })
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();

            foreach ($list as $val) {
                $student = array_column($val->students, 'username');
                $val->student = implode(',', $student);
                unset($val->students);
            }

            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);
                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $parent = ParentsModel::getByPhone($params['phone']);
                if ($parent) {
                    $this->error("该手机号已绑定家长");
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    //学员
                    if (isset($params['student']) && $params['student']) {
                        ParentStudents::createOrUpdate($this->model->id, $params['student']);
                    }

                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        $row->student_id = ParentStudents::where('parent_id', $ids)->column('student_id');
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);
                $parent = ParentsModel::find($ids);
                if ($parent && $parent->phone != $params['phone']) {
                    $this->error("该手机号已绑定家长");
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                        $row->validateFailException(true)->validate($validate);
                    }
                    $result = $row->allowField(true)->save($params);
                    //学员
                    if (isset($params['student']) && $params['student']) {
                        ParentStudents::createOrUpdate($ids, $params['student']);
                    }
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }
}
